Improved substitute for yeast for baking purposes



UNITED STATES PATENT? OFFICE.

JOHN E, LAUER, OF NEW YORK, N. Y.

IMPROVED SUBSTITUTE FOR YEAST FOR BAKINGPU RPOSES.

Specification forming part of Letters Patent No. 60.201, dated December i, 1866.

To all whom it may concern Be it known that I, J OHN E. LAUER, of the city, county, and State of New York, have invented a new and lmproi ed Substitute for Yeast for Baking Purposes; and I do hereby declare that the following is a full, clean-and exact statement of the component parts of,

and the manner ofcompounding, the same.

This invention consists in an improved preparation of muriate of phosphate of lime, ob

tained by treating ground bones with hydrochloric (commercial muriatic) acid. This prepo aration, in the form of a powder, on being mixed with a suitable quantity of bicarbonate of soda, forms'a superior and more wholesome texture.

substitute therefor.

to secure by Letters Patent, is

of lime herein described.

2. The mixture of the above-described prep-T aration of muriate of phosphate of lime with an alkaline carbonate, as a substitutefor yeast JNO. LAUER. I

in raisingbrad. o

' Witnesses:

A. LE OLERo,

J. W. Commas.

or air-tight packages for the market. When used, about two parts, byweight, of bicarbonw ate of soda should be added to five parts of the pulverulent muriate of phosphate of soda; and these two ingredients, mixed with the flourand 7 water, in the proportion of about one ounce,or U two tea -spoonsfnls, to every poundofflour, will raise the dough in such manner thatwhen j baked the bread will have a light and good a;

Bread thusmade will be less liable to sour i on a weak stomach, and be more easy of di-. gestion, than bread raised by yeast or other T vWhat I claim as my invention, and desire;

1. The preparation of muriate of phosphate; 

